“RANCANG BANGUN SISTEM ABSENSI IOT BERBASIS ESP32 TERINTEGRASI GOOGLE SPREADSHEET”. J-SIKA|Jurnal Sistem Informasi Karya Anak Bangsa 8, no. 01 (June 28, 2026): 1–9. Accessed August 20, 2026. https://ejournal.unibba.ac.id/index.php/j-sika/article/view/2033.